| http://www.w3.org/ns/prov#value | - c acid), iodo-compounds or active halogen compounds (e.g., elemental halogens, halogen oxides, iodine, interhalides, polyhalides, hypochlorite salts, hypochlorous acid, hypobromite salts, hypobromous acid, chloro- and bromo-hydantoins, chlorine dioxide, and sodium chlorite), active oxygen compounds including hydrogen peroxide, a percarbonate, a perborate, a persulfate, or isolated or equilibrium d
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